If p&q are relatively prime number in such a way `p+q=10` & `pltq`. How many pair are possible of p,q

If p & q are relatively prime number in such a way p + q = 10 & p lt q . How many pair are possible of p,q.

If P and Q are two relatively prime number such that p+q =0 and p lt q . How fair are possible for (p,q)

If p and q are two prime numbers,then what is their LCM?

If p,q and r are prime numbers such that r=q+2 and q=p+2 , then the number of triples of the form (p,q,r) is

p, q and r are prime numbers such that p lt q lt r lt 13 . In how many cases would (p + q + r) also be a prime number?

Consider the following statements in respect of two integers p and q (both gt 1) which are relatively prime : 1. Both p and q may be prime numbers. 2. Both p and q may be composite numbers. 3. One of p and q may be prime and the other composite. Which of the above statements are correct?

If p, q, r are prime numbers such that p^(2)-q^(2)=r then which of the following options are correct ?

If p and q are positive integers such that L.C.M.of p&q is 360 and the total possible number of ordered pairs (p,q) is then the ramainder when N is divided by 6, is

A = [[p,q],[r,s]] where p, q, r and s are positive integers. If A is symmetric matrix, |A|=20 and p = q, then find how many values are possible for s.